Home / 12,772.16-19,159.68-4,008.32

Finding the Fourth Proportional to 12,772.16, 19,159.68 and 4,008.32

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Solution

The fourth proportional to 12,772.16, 19,159.68 and 4,008.32 is: 6,012.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772.16 : 19,159.68 = 4,008.32 : x
  2. Step 2: Convert to fraction form
    12,772.16/19,159.68 = 4,008.32/x
  3. Step 3: Cross multiply
    12,772.16x = 19,159.68 × 4,008.32
  4. Step 4: Simplify right side
    12,772.16x = 76,798,128.54
  5. Step 5: Solve for x
    x = 76,798,128.54/12,772.16
  6. Step 6: Final answer
    x = 6,012.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.